Rap 12 Close Front Cvr/Close Rear Cvr (E) - Xerox N2125N - DocuPrint B/W Laser Printer Service Manual

A
Check the Transport Chute for contamination or obstructions. The Transport Chute is clean
and free of obstructions.
Y N
Clean of replace the Transport Chute as necessary
Replace the Print Engine Controller PWB
Status Indicator Repair Analysis Procedures
RAP 11 , RAP 12
(REP 6.1).
(REP 9.3).
RAP 12 Close Front Cvr/Close Rear Cvr (E5)
The Front Cover / Rear Cover (Interlock Switch) is open.
Procedure
Open and close the Front Cover. Inspect the movement of the Interlock Switch. The actuator
tab on the Front Cover presses down on the Interlock Switch lever.
Y N
Replace the Front Cover Assembly
Open and close the Rear Cover. Inspect the movement of the Interlock Switch. The actuator
tab on the Rear Cover presses down on the Interlock Switch lever.
Y N
Replace the Rear Cover Assembly
Enter diagnostics and select Component Test. Scroll to Sensor Input test and press Enter [4].
Open and close the Rear Cover. The number on the LCD increments each time you open
and close the Rear Cover.
Y N
Switch the printer power off. Remove the Left Interface Cover
(REP 1.2), and the Left Plate Assembly
Engine Controller PWB. Measure the resistance between pins 1 and 2 on the discon-
nected plug as you open and close the Rear Cover. There is continuity when the Rear
Cover is closed and infinity when the Rear Cover is open.
Y N
Check the wiring between P/J30 and the Rear Cover Interlock Switch. Repair or
replace the wiring or interlock switch
Replace the Print Engine Controller PWB
Open and close the Front Cover. The number on the LCD increments each time you open
and close the Front Cover.
Y N
Switch the printer power off. Remove the Left Interface Cover
(REP 1.2), and the Left Plate Assembly
PWB. Measure the resistance between pins 1 and 2 on the disconnected plug as you
open and close the Front Cover. There is continuity when the Front Cover is closed
and infinity when the Front Cover is open.
Y N
Check the wiring between P/J284 and the Front Cover Interlock Switch. Repair or
replace the wiring or interlock switch
Connect P/J284 to the LVPS. Switch the printer power on. On the Print Engine Controller
PWB, check the voltage between P/J28 pin 1 and frame ground. The voltage is 24VDC.
Y N
Replace the LVPS (REP
Replace the Print Engine Controller PWB
Replace the Print Engine Controller PWB
02/2000
2-20
(PL 1.1).
(PL 1.3).
(REP 1.1), the Left Cover
(REP 1.11). Disconnect P/J30 from the Print
(REP 9.10) as required.
(REP 9.3).
(REP 1.1), the Left Cover
(REP 1.11). Disconnect P/J284 from the LVPS
(REP 9.9) as required.
9.5).
(REP 9.3).
(REP 9.3).
DocuPrint N2125
Initial Issue